TRW PML359 Brake Master Cylinder

Brand TRW PML359
Reservoir Material None
Dust Boot Included Yes
Mounting Hardware Included No
Gasket Or Seal Included Yes
Mounting Hole Quantity 2
Master Cylinder Bore Diameter 19.05
Bleeder Screw Included No
Piston Quantity 2
Brake Booster Included No
Master Cylinder Material Aluminum
Push Rod Included No
Reservoir Included No
Bleeder Hoses Included No
Sensor Included No
Port Quantity 2
Mounting Bracket Included No
Bore Type Straight
Primary Outlet Thread Size M12 - 1.0
Brake Pressure Switch Required No
Brake Pressure Switch(s) Included No
Primary Bore Diameter 19.05
Fits Mercedes-Benz · 15 vehicles

OE direct replacement. Brake master cylinder with a straight bore and two-port layout.

Aluminum construction. Lightweight material helps resist corrosion in demanding brake systems.

Seal included. Comes with a gasket or seal for a tighter, cleaner installation.

Cross-references 54308301 for the same application. See all 1.

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Brake Master Cylinder for Mercedes-Benz Applications

TRW PML359 is a brake master cylinder built for select Mercedes-Benz E-Class and C-Class applications from 1998 through 2003. It features an aluminum body, a 19.05 mm straight bore, and a dual-piston design for hydraulic brake system operation.

Key Features

  • TRW brake master cylinder, part number PML359
  • Aluminum master cylinder construction
  • 19.05 mm bore diameter with straight bore type
  • Two piston design with two mounting holes
  • Dust boot included
  • Gasket or seal included
  • Two ports with M12 x 1.0 primary outlet thread size
  • No reservoir included
  • No brake booster included

Detailed Description

This TRW PML359 brake master cylinder is specified for Mercedes-Benz E320, E430, C43 AMG, and E300 models in the 1998-2003 range. It is an OE-style hydraulic brake component with an aluminum housing, straight 19.05 mm bore, and two-port layout for direct brake system integration. This part cross-references 54308301 for the same application.

What It Helps Address

  • Brake pedal travel that feels excessive or inconsistent
  • Loss of hydraulic pressure in the brake system
  • Internal master cylinder seal wear
  • Brake fluid leakage at the master cylinder body or outlets
  • Uneven or delayed brake response

Installation Notes and Tips

Verify bore diameter, port thread size, and mounting-hole layout before installation. This master cylinder does not include a reservoir, brake booster, push rod, or mounting hardware, so reuse or source the correct related components as needed. After installation, bleed the brake system thoroughly and confirm there are no leaks at the outlet connections.

Quality Assurance

TRW is an established OE supplier in brake hydraulics, and PML359 is built to match the specified Mercedes-Benz brake system requirements for the listed applications. Confirm vehicle fitment by model year before ordering.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
2003Mercedes-BenzE3204MaticWagonAWD3.2LV6N/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
2002Mercedes-BenzE320BaseWagonRWD3.2LV6N/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
2002Mercedes-BenzE430Base4.3LV8GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
2001Mercedes-BenzE320Base3.2LV6GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
2001Mercedes-BenzE430Base4.3LV8GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
2000Mercedes-BenzC43 AMGBase4.3LV8GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
2000Mercedes-BenzE3204Matic3.2LV6GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
2000Mercedes-BenzE430Base4.3LV8GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
1999Mercedes-BenzC43 AMGBase4.3LV8GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
1999Mercedes-BenzE300Base3.0LL6DIESELN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
1999Mercedes-BenzE320Base3.2LV6GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
1999Mercedes-BenzE430Base4.3LV8GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
1998Mercedes-BenzE300Base3.0LL6DIESELN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
1998Mercedes-BenzE3204Matic3.2LV6GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
1998Mercedes-BenzE430Base4.3LV8GASN/ADescription: Diameter 1: 25.4 mm; Original Part Vendor: TRW
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
54308301